public class Example6_1 {
   public static void main(String args[]) {
     China zhang;
     Japan henlu;
     zhang=new China();
     henlu=new Japan();
     zhang.number=32+Computable.MAX;
     henlu.number=14+Computable.MAX;
     System.out.println("zhang的学号"+zhang.number+"zhang求和结果"+zhang.f(100));
     System.out.println("henlu的学号"+henlu.number+"henlu求和结果"+henlu.f(100));
   }
}
    
